KM 5050 secondary power button lights up, however,no lcd , and mfp will not cycle.

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  • walterman
    Trusted Tech

    Site Contributor
    100+ Posts
    • May 2013
    • 196

    #1

    KM 5050 secondary power button lights up, however,no lcd , and mfp will not cycle.

    I have a km 5050 that will not cycle, no lcd display.. but the secondary power button will light up. I have checked the ac power at the wall, removed the nic, still have the same issue. Any ideas?
  • walterman
    Trusted Tech

    Site Contributor
    100+ Posts
    • May 2013
    • 196

    #2
    Re: KM 5050 secondary power button lights up, however,no lcd , and mfp will not cycle

    I have also checked all the fuses on the power supply for continuity and all fuses are good. I'm thinking mai board possibly.

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    • kkendric
      Trusted Tech

      250+ Posts
      • Apr 2009
      • 301

      #3
      Re: KM 5050 secondary power button lights up, however,no lcd , and mfp will not cycle

      So you removed the main board, since this machine does not have a removable nic. You could be missing some voltages. The engine board should at least initialize.

      Comment

      • blackcat4866
        Master Of The Obvious

        Site Contributor
        10,000+ Posts
        • Jul 2007
        • 23010

        #4
        Re: KM 5050 secondary power button lights up, however,no lcd , and mfp will not cycle

        I'm thinking operation panel firmware. Start with a firmware re-load. =^..^=
        If you'd like a serious answer to your request:
        1) demonstrate that you've read the manual
        2) demonstrate that you made some attempt to fix it.
        3) if you're going to ask about jams include the jam code.
        4) if you're going to ask about an error code include the error code.
        5) You are the person onsite. Only you can make observations.

        blackcat: Master Of The Obvious =^..^=

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        • walterman
          Trusted Tech

          Site Contributor
          100+ Posts
          • May 2013
          • 196

          #5
          Re: KM 5050 secondary power button lights up, however,no lcd , and mfp will not cycle

          kkendric, you are correct about the nic, it is my fault, I meant the fax board.

          Comment

          • walterman
            Trusted Tech

            Site Contributor
            100+ Posts
            • May 2013
            • 196

            #6
            Re: KM 5050 secondary power button lights up, however,no lcd , and mfp will not cycle

            I installed a new power supply and the mfp came to ready, upon, completion of that I was able to install the firmware. Thanks for the responses.

            Comment

            • kkendric
              Trusted Tech

              250+ Posts
              • Apr 2009
              • 301

              #7
              Re: KM 5050 secondary power button lights up, however,no lcd , and mfp will not cycle

              Missing voltages as I thought.

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